Navigate to a Java element's declaration

In this section, you will learn how to open a type in the Java Editor and
how to navigate to related types and members.

Open the Open Type dialog by pressing
Ctrl+Shift+T, choosing Navigate > Open
Type..., or clicking the toolbar icon (). Type Money, press the
Arrow Down key a few times to select MoneyTest, and
then press Enter to open the type in the Java editor.

On the first line of the MoneyTest class declaration, select
the superclass TestCase and either

from the menu bar select Navigate > Open
Declaration or

press F3.

The TestCase class opens in the editor area and is also represented
in the Outline view.Note: This command also works on methods and fields.

With the TestCase.java editor open and the class declaration
selected:

from the menu bar select Navigate > Open Type
Hierarchy or

press F4.

The Type Hierarchy view opens with the TestCase class displayed.

Note: You can also open editors on types and methods in the
Type Hierarchy view.